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TECHNOLOGY

How to make a mini-pump / water-circulating pump

Hello my dear friends! Roman is here with you as usual. Today I’d like to show you you how to make a water pump, or as many people call it – a water-circulating pump. First, we need one plastic bottle, a small motor – I took it from the DVD- drive, and it has such

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How to make a micro primus heater (burner)

Hello my dear friends! Roman is with you as usual! Today I’d like to tell you how to make a mini primus or as it’s frequently called — a burner. We also may call it a micro burner as mini burners are made in the cans out of Coca-Cola, Sprite and other soft drinks. To

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How to make a glue pistol out of the water heater

Hello my dear friends. As far as the most popular suggestion from you is about how to make a glue pistol with your own hands. In today’s video I’d like to show you one of my ideas of this pistol making. I’d rather suggest you to buy it, as it’s not so expensive and it

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How to make a USB flashlight

Hi everybody! In today’s video I’ll show you how to make a USB flashlight for lap top. So we need a wire, USB jack, LED, and the foundation, on which we will install these all. As the foundation I took an old stove lighter as it has a corrugated part. If you haven’t got such

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How to make a hydrogen generator part 1

Hello my dear friends! Roman is here with you as usual! In today’s video I’d like to show you how to make a small hydrogen generator with ten razor blades. Firstly, we need power supply unit for 5-12V and from 0,5 to 2 amp of strength of current. Then copper wires, a glass jar with

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How to put an image onto metal? Part 2

Wow! Guys, I’m really shocked. Look at this image, how clear it is! I am eager to move to etching. In order to etch it we need to stick all around this black frame with scotch properly to prevent metal from salt solution dropping. As if it drops on metal, it won’t look nice. Cut

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How to put an image onto metal

Hello my dear friends! In today’s video I’d like to show you how to put any kind of image onto any kind of metal. This image is not possible to remove from metal, this mean is called etching. It is similar to engraving, but we won’t use a drill or any special headers. In order

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How to make a drill

Hello my dear friends! Roman is here with you as usual! Today decided to make a mini-drill. As I have been dreaming of a mini-drill, Dremel or so-called borer for a long time. However you may know that nowadays a good instrument costs much, so I decided to manufacture it with my own hands. Of

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How to make a Skype phone

Hello everybody! In today’s video I will show you how to make a hand made skype phone. In order to make it we need a telephone receiver with spring wire, a phone socket, a solderer, a soldering flux, two jack plugs of 3,5, nippers, a hacksaw, screw driver with the drill of 8 mm, and

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How to make a nickel-chromium fret-saw cutter

Hello my dear friends! Today I’m going to show you in this video how you can make a nickel-chromium cutter with your own hands. First, we need to manufacture two wooden handles, in my case there are two pieces of a branch, then we need two long nails or two pieces of a firm wire,

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